:root{--bg-deep:#0a0a0c;--bg-surface:#121216;--accent-primary:#6366f1;--accent-secondary:#a855f7;--text-main:#f8fafc;--text-muted:#94a3b8;--glass-bg:#ffffff08;--glass-border:#ffffff14;--shadow-premium:0 20px 25px -5px #00000080, 0 10px 10px -5px #0006}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-deep);color:var(--text-main);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow-x:hidden}.studio-container{max-width:1400px;margin:0 auto;padding:2rem}.studio-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;margin-bottom:3rem;padding:1.5rem 0;display:flex}.brand{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-size:1.5rem;font-weight:800}.studio-grid{grid-template-columns:400px 1fr;align-items:start;gap:2.5rem;display:grid}.control-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--shadow-premium);border-radius:1.5rem;padding:2rem}.input-group{margin-bottom:1.5rem}label{color:var(--text-muted);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}textarea,input{border:1px solid var(--glass-border);width:100%;color:var(--text-main);background:#0003;border-radius:.75rem;padding:1rem;font-family:inherit;font-size:1rem;transition:all .2s}textarea:focus,input:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 4px #6366f11a}.btn-generate{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff;cursor:pointer;border:none;border-radius:.75rem;width:100%;margin-top:1rem;padding:1rem;font-size:1rem;font-weight:700;transition:transform .2s,filter .2s}.btn-generate:hover{filter:brightness(1.1);transform:translateY(-2px)}.preview-panel{flex-direction:column;gap:2rem;display:flex}.video-container{aspect-ratio:16/9;border:1px solid var(--glass-border);box-shadow:var(--shadow-premium);background:#000;border-radius:1.5rem;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.video-placeholder{color:var(--text-muted);text-align:center}.mode-toggle{border:1px solid var(--glass-border);background:#0006;border-radius:.75rem;padding:.25rem;display:flex}.mode-toggle button{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:.5rem;padding:.5rem 1rem;font-size:.75rem;font-weight:600;transition:all .2s}.mode-toggle button.active{background:var(--accent-primary);color:#fff}.status-badge{text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:700}.metrics{color:var(--accent-secondary);gap:1rem;font-family:monospace;font-size:.7rem;display:flex}.progress-bar-container{background:var(--glass-border);border-radius:2px;width:100%;height:4px;margin-top:1rem;overflow:hidden}.progress-bar{background:var(--accent-primary);height:100%;transition:width .3s}.error-text{color:#ff4d4d;margin-top:.5rem;font-size:.8rem}.stepper-hud{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--shadow-premium);border-radius:1rem;justify-content:space-between;align-items:center;margin-bottom:3rem;padding:1.5rem 2rem;display:flex}.step-node{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border:1px solid var(--glass-border);background:#0006;border-radius:2rem;padding:.75rem 1.5rem;font-size:.85rem;font-weight:700;transition:all .3s}.step-line{background:var(--glass-border);flex-grow:1;height:2px;margin:0 1rem}.step-node.step-active{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff;border-color:#0000;box-shadow:0 0 15px #a855f766}.step-node.step-completed{color:#22c55e;background:#22c55e33;border-color:#22c55e4d}.review-container{border:1px dashed var(--glass-border);background:#0003;border-radius:1rem;margin-top:1.5rem;padding:2rem}